java.net.URISyntaxException: Illegal character in path at index 2: ..\TagTree
at java.net.URI$Parser.fail(Unknown Source)
at java.net.URI$Parser.checkChars(Unknown Source)
at java.net.URI$Parser.parseHierarchical(Unknown Source)
at java.net.URI$Parser.parse(Unknown Source)
at java.net.URI.(Unknown Source)
at sbt.IO$.toURI(IO.scala:620)
at sbt.RootProject$.apply(Reference.scala:32)
at HeroscapeMk2$.tagtree(Build.scala:4)

IMPORTANT This project has moved to https://github.com/sbt/sbt. This issue still exists to avoid dead links, but GitHub limitations prevent the original issue from being correctly preserved here. Please see sbt/sbt#111 for the full issue and to comment.